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Balloon Rocket Demonstration

by NASA

Published 9/17/2009


NASA Glenn aerospace engineer Bryan Palaszewski uses cryogenic liquid nitrogen to cool the air inside a balloon at NASA's Plum Brook Station. As the air is cooled, it changes from a gas into a liquid. The balloon deflates, because molecules in liquids are more closely packed together than molecules in gases. Since most high energy propellants like hydrogen and oxygen are gases at room temperature, NASA uses the same process to cool rocket propellant for space shuttles in order to keep the rockets small and cost effe
ctive. Photographer: Marvin Smith (WYLE)


Feed_id /0/rss_feeds/NASA_Glenn_Multimedia_IMAGEGALLERY/nasa_glenn_multimedia_imagegallery:if_54_methanetank/119653_imagegalleryxml_Feed.rss
Mediatype image
Creator NASA
Source http://www.nasa.gov/centers/glenn/multimedia/imagegallery/if_52_balloondemo.html
Date 9/17/2009
Year 2009
Rights Public Domain
What Space Shuttle Orbiter
Identifier 372193main_balloon_hr_full
Addeddate 2009-12-02 00:04:20
Publicdate 2009-12-02 00:04:44


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